Doris Wanjun Ma

Visual Designer (AI Aesthetic Trainer) at Mercor

Acted as a visual and UX designer embedded in AI training workflows, applying professional design judgment to guide and evaluate model-generated outputs. Evaluated AI responses through a designer’s lens, focusing on visual hierarchy, typography systems, color harmony, brand tone, and overall aesthetic coherence. Defined and enforced design-quality standards by identifying weak visual decisions and UX anti-patterns in AI-generated interfaces and concepts. Translated ambiguous design intent into clear, structured visual direction, helping the model produce more design-aware and user-centered outputs. Bridged human design thinking with AI reasoning, reinforcing principles of good visual design, usability, and taste-driven decision-making.

UI/UX Designer at Bonsai Media Group

Participated and supported end-to-end UI/UX design across multiple client projects, delivering responsive mobile and web experiences. Designed user flows, wireframes, and high-fidelity interfaces tailored to each client’s brand, goals, and constraints. Collaborated with developers, strategists, and stakeholders to ensure design feasibility, consistency, and smooth handoff. Contributed to the integration of an AI-powered itinerary planning tool, shaping UX flows, interaction logic, and content structure to support real-time and planning-based user behaviors.

UX Expert (AI Aesthetic Trainer) at Mercor

Served as an AI Aesthetic Trainer in collaboration with OpenAI, contributing to the training and evaluation of ChatGPT-5’s aesthetic reasoning and design intelligence. Evaluated and refined model outputs across visual taste, layout coherence, stylistic consistency, and contextual appropriateness, aligned with professional design standards. Provided structured feedback on UI/UX, branding, typography, composition, and creative decision-making to improve design-aware reasoning and output quality. Helped calibrate the model’s ability to translate abstract design intent into clear, visually informed, and user-centered responses. Collaborated with cross-functional review pipelines to assess edge cases and maintain consistency across diverse design scenarios.

Lead UI/UX & Content Designer at PicklePals

Led the product design and content direction from inception to market launch. Defined the product’s visual language, tone of voice, and end-to-end experience strategy. Collaborated with founders, developers, and marketing teams to align design goals with user needs and business vision. Drove partnership with DUPR, securing official API integration for verified player rankings. Played a key role in securing external brand conversations, including with Nike, to expand product impact. Supported ongoing usability testing, content refinement, and iterative design contents for launch. Balanced high-level strategy with execution across product storytelling, content systems, and user experience.

Lead UI/UX (HMI) Designer at Nissan Design America

Collaborated with cross-functional teams to develop innovative user interface solutions for automotive systems. Contributed to the design and testing of in-car user experiences, ensuring intuitive interactions and alignment with both business goals and user needs. Worked on Nissan and Infiniti in-vehicle UX projects, adapting voice and logic to brand tone. Coordinated with teams in North America and Japan to support the integration of design solutions into broader product development efforts. Defined IVI logic for real-time driving scenarios and simplified flows for minimal distraction. Used ProtoPie for simulation testing, validating interface logic and copy performance. Balanced system-level content structure with emotional tone shifts across vehicle states. Supported UX writing for driving state transitions, safety feedback, and vehicle setup. Participated in iterative design reviews and user testing to refine work flows and improve the overall user experience of in-vehicle systems.